https://www.cnblogs.com/Stephenchao/p/4481995.html

linq结果集转换DataTable类型及其序列化

http://xuzhihong1987.blog.163.com/blog/static/26731587201101853740294/

将DataTable序列化为Json格式 

http://xuzhihong1987.blog.163.com/blog/static/26731587201101913722238/